/*******************************************************************************
 * Copyright 2019 VMware Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 *******************************************************************************/

package subscription

import (
	"github.com/edgexfoundry/go-mod-core-contracts/models"
)

type AddExecutor interface {
	Execute() error
}

type subscriptionAdd struct {
	database     SubscriptionWriter
	subscription models.Subscription
}

func (op subscriptionAdd) Execute() error {
	_, err := op.database.AddSubscription(op.subscription)
	if err != nil {
		return err
	}
	return nil
}

func NewAddExecutor(database SubscriptionWriter, subscription models.Subscription) AddExecutor {
	return subscriptionAdd{
		database:     database,
		subscription: subscription,
	}
}
